Pioneer FHM-8527-ZT, FHM-8527-ZT-91, FHM-8627-ZT-91, FHM-8627-ZT Service manual

	TOYOTA
Service
Manual				ORDER NO.
	FH-M8527ZT/ES			CRT2921
RECEIVER ASSY, RADIO
FH-M8527ZT ES
FH-M8527ZT-91 ES
FH-M8627ZT ES
FH-M8627ZT-91 ES
FH-M8527ZT CS
FH-M8527ZT-91 CS
VEHICLE DESTINATION	PRODUCED AFTER	TOYOTA PART No. ID No. PIONEER MODEL No.
LAND CRUISER Middle Near East,	August 2002	86120-60530	P7809	FH-M8527ZT/ES
General Area(L)				FH-M8527ZT-91/ES
LAND CRUISER Australia,	August 2002	86120-60520	P7810	FH-M8627ZT/ES
General Area(R)				FH-M8627ZT-91/ES
LAND CRUISER Central/South America	August 2002	86120-60540	P7815	FH-M8527ZT/CS
				FH-M8527ZT-91/CS

For details, refer to "Important symbols for good services".

PIONEER CORPORATION	4-1, Meguro	1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC.	P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087	Keetberglaan 1,	9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2002	K-ZZA. AUG. 2002 Printed in Japan

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- This service manual should be used together with the following manual(s):

A

Model No.	Order No.	Mech. Module	Remarks
CX-977	CRT2624	S9	CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CX-1011	CRT2406	3L	Cassette Mech. Module:Mech.Description, Disassembly

- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

B SAFETY INFORMATION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.

- CD section precaution

1. Before disassembling the unit, be sure to turn off the

C

power. Unplugging and plugging the connectors dur-

ing power-on mode may damage the ICs inside the

unit.

[ Important symbols for good services ]

2.To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment (shorting-solder, shorting pin, shorting switch) by referring to “the DISASSEMBLY” on page 68.

3.After replacing the pickup unit, be sure to check the grating. (See p.58.)

	D	In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
		When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

E

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

5. Lubricants, glues, and replacement parts

		Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
		glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
	F	prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
		ones should be used.
	2	FH-M8527ZT/ES

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- The supplementary models are identical with the original ones except for the following items.

A

Description	Part No.
Polyethylene Bag	CEG1026
Cover(x2)	CEG1045
Carton	CHG4861
Contain Box(x1/2)	CHL4918(FH-M8527ZT-91/ES)
Contain Box(x1/2)	CHL4919(FH-M8627ZT-91/ES)
Contain Box(x1/2)	CHL4920(FH-M8527ZT-91/CS)
Air Cap	CHW1945(Non Spare Part)
Air Cap(x2)	CHW1948(Non Spare Part)

B

CONTENTS

	SAFETY INFORMATION ............................................	2	7.2 PARTS .................................................................	73
1.	SPECIFICATIONS........................................................	4	7.2.1 IC................................................................	73
2.	EXPLODED VIEWS AND PARTS LIST .......................	6	7.2.2 DISPLAY ....................................................	78	C
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...		14	7.3 EXPLANATION ...................................................	79
4. PCB CONNECTION DIAGRAM ................................		30	7.3.1 SYSTEM BLOCK DIAGRAM.....................	79
5.	ELECTRICAL PARTS LIST ........................................	40	7.3.2 OPERATIONAL FLOW CHART .................	80
6.	ADJUSTMENT..........................................................	52	7.4 CLEANING ..........................................................	81
7.	.......................................GENERAL INFORMATION	68	............................................................8. OPERATIONS	82
	7.1 DIAGNOSIS ........................................................	68
	7.1.1 DISASSEMBLY .........................................	68
	7.1.2 CONNECTOR FUNCTION DESCRIPTION .......	72

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A		1. SPECIFICATIONS
		General			AM tuner
		Power source. .	. . . . .	. 13.2V(10.5V–16.0V allowable) DC	Frequency range . . .	. . . . . . . . . . . . . .	531–1,602 kHz(ES)
		Grounding system. . .		. . . . . . . . . . . . . . . . . Negative type			530–1,620 kHz(CS)
		Backup current .	. . . . .	. . . . . . . . . . . . . . . . . 0.3mA or less	S/N 20dB usable sensibility . . . . . . . .		. . . 34dBµV or less
		Dimensions		228(W) x134(H) x194(D)mm	S/N	45dB or more(FH-M8527ZT/ES, CS)
			. . . . .
		Weight. . . . . . . . .	. . . .	. . . . . . . . . . . . . . . . . . . . . . 2.360kg		42dB or more(FH-M8627ZT/ES)
					Distortion. . . . . . . . . .	. . . . . . . . . . . . . .	. . . . . 1.5% or less
		Cassette player			IF interference . . . . .	. . . . . . . . . . . . . . .	. . . 40dB or more
B		Tape . . . . . . . . . . .	. . . .	. Compact cassette tape(C30-C90)	Image interference . 40dB or more(FH-M8527ZT/ES, CS)
		Tape speed	4.76cm/sec.(+0.14cm/sec., -0.05cm/sec.)			45dB or more(FH-M8627ZT/ES)
		Wow and flutter .	. . . .	. . . . . . . . . . . 0.2% or less(WRMS)
		Crosstalk . . . . . . .	. . . .	. . . . . . . . . . . . . . . . . 40dB or more	SW1 tuner(FH-M8527ZT/ES)
		Stereo Separation . . .		. . . . . . . . . . . . . . . . . 30dB or more	Frequency range . . .	. . . . . . . . . . . . . . .	. 2,940–3,575 kHz
		S/N		40dB or more			3,580–4,215 kHz
			. . . .
		. . . . . .Distortion	. . . .	. . . . . . . . . . . . . . . . . . . . 3% or less			4,540–5,175 kHz
							5,820–6,455 kHz
		CD player					7,100–7,735 kHz
		System . . . . . . . .	. . . .	. . . . . Compact disc audio system	S/N 20dB usable sensibility . . . . . . . . .		. . 36dBµV or less
C		Usable discs . . . .	. . . .	. . . . . . . . . . . . . . . . . Compact disc	S/N . . . . . . . . . . . . . .	. . . . . . . . . . . . . . .	. . . 42dB or more
		Signal format . . .	. . . .	. . . Sampling frequency : 44.1kHz	Distortion. . . . . . . . . .	. . . . . . . . . . . . . . .	. . . . 1.5% or less
				Number of quantization : 16;linear	IF interference . . . . .	. . . . . . . . . . . . . . .	. . . 40dB or more
		S/N . . . . . . . . . . .	. . . .	. . . . . . . . . . . . . . . . . 65dB or more	Image interference. .	. . . . . . . . . . . . . . .	. . . 27dB or more
		Distortion. . . . . . .	. . . .	. . . . . . . . . . . . . . . . . . 0.3% or less	SW2 tuner(FH-M8527ZT/ES)
		FM tuner			Frequency range . . .	. . . . . . . . . . . . . . .	9,500–10,135 kHz
		Frequency range . . . .		. . . . . . . . . . . . 87.5–108.0 MHz(ES)			11,580–12,215 kHz
				87.9–108.0 MHz(CS)			15,100–15,735 kHz
D		S/N . . . . . . . . . . . .	. . . .	. . . . . 46dB or more(54dBµ input)			17,500–18,135 kHz
		Distortion. . . . . . .	. . . .	. . . . . . . . . . . . . . . . . . 1.5% or less			21,340–21,975 kHz
		IF interference . .	. . . .	. . . . . . . . . . . . . . . . . 64dB or more	S/N 20dB usable sensibility . . . . . . . . .		. . 36dBµV or less
		Image interference. . .		. . . . . . . . . . . . . . . . . 35dB or more	S/N . . . . . . . . . . . . . .	. . . . . . . . . . . . . . .	. . . 42dB or more
		Stereo Separation . . .		. . . . . . . . . . . . 25dB or more(1kHz)	Distortion. . . . . . . . . .	. . . . . . . . . . . . . . .	. . . . 1.5% or less
					IF interference		25dB or more
						. . . . . . . . . . . . . . .
					. .Image interference	. . . . . . . . . . . . . . .	. . . 25dB or more

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A2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR(FH-M8527ZT/ES, CS)

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C

D

E

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NOTE:

-Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.

-Screws adjacent to mark on the product are used for disassembly.

- For the applying amount of lubricants or glue, follow the instructions in this manual.	A
( In the case of no amount instructions, apply as you think it appropriate.)

(1) EXTERIOR(FH-M8527ZT/ES, CS) SECTION PARTS LIST

Mark No. Description		Part No.		Mark No. Description		Part No.
1	Screw	BSZ26P060FMC	36		Button(FM)	CAC7214
2	Screw	BSZ26P140FMC	37		Button(TAPE)	CAC7215
3	Screw	BSZ30P080FMC	38		Button(DISC)	CAC7216
4	Connector	CDE7248	39		Button(MUTE)	CAC7328
5	Connector	CDE6732	40		Button(SCAN, TEXT)	CAC7329
6	CD Mechanism Module(S9T) CXK5521		41		Button(FF, REW)	CAC7331
7	Chassis	CNA2466	42		Lighting Conductor	CNV6895
8	Case	CNB2721	43		Holder	CNV6898
9	Frame	CNC9638	44		Holder	CNV6899
10	Heat Sink	CNR1644	45		Holder	CNV6956
11	Main Unit	See Contrast table(2)	46		Keyboard Unit	CWS1346
12	Screw	ASZ26P080FMC	47		LCD(LCD901)	CAW1700
13	Screw	BMZ30P040FMC	48		Connector(CN901)	CKS4361
14	Screw	BPZ30P060FSN	49		Holder	CNC9700
15	Connector(CN471)	CKM1222	50		Sheet	CNM7733
16	Connector(CN473)	CKM1350	51		Seal	CNM7771
17	Connector(CN472)	CKM1351	52		Rubber	CNV6892
18	Connector(CN631)	CKS3568	53		Lighting Conductor	CNV6894
19	Connector(CN601)	CKS3835	54		Connector	CNV7498
20	Connector(CN681)	CKS4361	55		Knob Unit	CXB8028
21	Connector(CN501)	CKX1064	56		Grille Unit	See Contrast table(2)
22	Holder	CNC9591	57		Screw	BPZ20P060FZK
23	Holder	CNC9592	58		Door	See Contrast table(2)
24	Holder	CND1080	59		Spring	CBH2663
25	FM/AM Tuner Unit	See Contrast table(2)	60		Button Assy(TAPE EJECT)CXB8832
26	Holder	CNC8855	61		Button Assy(DIRECTION) CXB8837
27	Terminal(CN474)	VNF1084	62		Chassis Unit	CXB8161
28	Terminal(CN475)	VNF1084	63		Shield Unit	CXB9781
29	Screw	BPZ20P080FMC	64		Cassette Mechanism ModuleEXK4295
30	Button(CD EJECT)	CAC7203	65		Screw	ISS26P060FMC
31	Button(1-2)	CAC7205	66		IC(IC801)	TDA7386
32	Button(3-4)	CAC7206	67		Transistor(Q404, 407, 431)	2SB1185
33	Button(5-6)	CAC7207		* 68 Holder Unit		CXB8768
34	Button(SEEK, TRACK)	CAC7211
35	Button(AM)	CAC7213

(2) CONTRAST TABLE

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C

D

E

FH-M8527ZT/ES and FH-M8527ZT/CS are constructed the same except for the following:

				Part No.
Mark No. Description		FH-M8527ZT/ES			FH-M8527ZT/CS
11	Main Unit	CWM8067			CWM8094
25	FM/AM Tuner Unit	CWE1632			CWE1631
56	Grille Unit	CXB8164			CXB8340		F
58	Door	CAT2312			CAT2337
						7
				FH-M8527ZT/ES

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A	2.2 EXTERIOR(FH-M8627ZT/ES)

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C

D

E

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8	FH-M8527ZT/ES

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- EXTERIOR(FH-M8627ZT/ES) SECTION PARTS LIST

Mark No. Description		Part No.		Mark No. Description		Part No.
1	Screw	BSZ26P060FMC	36		Button(TAPE)	CAC7290
2	Screw	BSZ26P140FMC	37		Button(FM)	CAC7291
3	Screw	BSZ30P080FMC	38		Button(AM)	CAC7292
4	Connector	CDE7248	39		Button(CD EJECT)	CAC7218
5	Connector	CDE6732	40		Button(SCAN, TEXT)	CAC7329
6	CD Mechanism Module(S9T) CXK5521		41		Button(SEEK, TRACK)	CAC7288
7	Chassis	CNA2466	42		Lighting Conductor	CNV6895
8	Case	CNB2721	43		Holder	CNV6898
9	Frame	CNC9638	44		Holder	CNV6899
10	Heat Sink	CNR1644	45		Holder	CNV6956
11	Main Unit	CWM8068	46		Keyboard Unit	CWS1347
12	Screw	ASZ26P080FMC	47		LCD(LCD901)	CAW1700
13	Screw	BMZ30P040FMC	48		Connector(CN901)	CKS4361
14	Screw	BPZ30P060FSN	49		Holder	CNC9700
15	Connector(CN471)	CKM1222	50		Sheet	CNM7733
16	Connector(CN473)	CKM1350	51		Seal	CNM7771
17	Connector(CN472)	CKM1351	52		Rubber	CNV6892
18	Connector(CN631)	CKS3568	53		Lighting Conductor	CNV6894
19	Connector(CN601)	CKS3835	54		Connector	CNV7498
20	Connector(CN681)	CKS4361	55		Knob Unit	CXB8028
21	Connector(CN501)	CKX1064	56		Grille Unit	CXB8165
22	Holder	CNC9591	57		Screw	BPZ20P060FZK
23	Holder	CNC9592	58		Door	CAT2313
24	Holder	CND1080	59		Spring	CBH2663
25	FM/AM Tuner Unit	CWE1631	60		Button Assy(DIRECTION) CXB8838
26	Holder	CNC8855	61		Button Assy(TAPE EJECT)CXB8835
27	Terminal(CN474)	VNF1084	62		Chassis Unit	CXB8161
28	Terminal(CN475)	VNF1084	63		Shield Unit	CXB9781
29	Screw	BPZ20P080FMC	64		Cassette Mechanism ModuleEXK4295
30	Button(MUTE)	CAC7332	65		Screw	ISS26P060FMC
31	Button(1-2)	CAC7205	66		IC(IC801)	TDA7386
32	Button(3-4)	CAC7206	67		Transistor(Q404, 407, 431)	2SB1185
33	Button(5-6)	CAC7207		* 68 Holder Unit		CXB8768
34	Button(FF, REW)	CAC7334
35	Button(DISC)	CAC7289

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A	2.3 CD MECHANISM MODULE

B

C

UD321BR

GEM1035

GEM1035

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C

F

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- CD MECHANISM MODULE SECTION PARTS LIST

Mark No. Description		Part No.	Mark No. Description			Part No.
1	Control Unit	CWX2608		46	Gear	CNV6320
2	Connector(CN701)	CKS1959	47		Arm	CNV6322
3	Connector(CN101)	CKS3486	48		Arm	CNV6323
4	Screw	BMZ20P025FMC	49		Arm	CNV6324
5	Screw	BSZ20P040FMC	50		Arm	CNV6888
6	Screw(M2x4)	CBA1362	51		Arm	CNV6889
7	Screw(M2x3)	CBA1527	52		Guide	CNV6327
8	Screw	CBA1545	53		Arm	CNV6924
9	Washer	CBF1037	54		Guide	CNV6921
10	Washer	CBF1038	55		Rack	CNV6923
11	Washer	CBF1039	56		Clamper	CNV6331
12	Washer	CBF1060	57		Arm	CNV6332
13	Spring	CBH2378	58		Guide	CNV6333
14	Spring	CBH2379	59		Cover	CNV6334
15	Spring	CBH2514	60		Arm	CNV6335
16	Spring	CBH2533	61		Guide	CNV6336
17	Spring	CBH2382	62		Roller	CNV6338
18	Spring	CBH2383	63		Damper	CNV6175
19	Spring	CBH2384	64		Damper	CNV6662
20	Spring	CBH2527	65		Guide	CNV6925
21	Spring	CBH2386	66		Chassis Unit	CXB7980
22	Spring	CBH2537		* 67 Arm Unit		CXB7983
23	Spring	CBH2390	68		Arm Unit	CXB7984
24	Spring	CBH2391	69		Arm Unit	CXB7985
25	Spring	CBH2523	70		Motor Unit(M2)	CXB8284
26	Spring	CBH2426	71		Screw Unit	CXB5904
27	Spring	CBH2444	72		Gear Unit	CXB8076
28	Spring	CBL1561	73		Bracket Unit	CXB7982
29	Spring	CBL1553	74		Motor Unit(M1)	CXB6007
30	Shaft	CLA3845	75		Arm Unit	CXB8504
31	Roller	CLA3910	76		Screw(M2x5)	EBA1028
32	Frame	CNC9654	77		Screw	JFZ20P020FMC
33	Lever	CNC9664	78		Screw	JGZ17P020FZK
34	Lever	CNC8949	79		Washer	YE15FUC
35	Arm	CNC9661	80		Washer	YE20FUC
36	Arm	CNC9016	81		Pickup Unit(Service)(P9)	CXX1482
37	Arm	CNC9017	82		Screw	IMS26P030FMC
38	Bracket	CNC9123	83		Guide	CNV6922
39	Frame	CNC8947	84		Roller	CNV6887
40	Belt	CNT1086	85		Spring	CBH2509
41	Gear	CNV6886	86		Spring	CBH2512
42	Gear	CNV6316	87		Spring	CBH2536
43	Gear	CNV6317	88		Collar	CNV6906
44	Gear	CNV6318
45	Gear	CNV6319

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A	2.4 CASSETTE MECHANISM MODULE

For grease application, refer to the service manual for CX-1011 (CRT2406).

B

C

D

D

E

E

F

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- CASSETTE MECHANISM MODULE SECTION PARTS LIST

	Mark No. Description		Part No.		Mark No. Description		Part No.
1		Screw	BSZ20P040FMC	46		Pinch Roller	ENV1518
2		Washer	CBF1037	47		Pinch Holder Unit	EXA1607
3		Washer	CBG1003	48		Pinch Roller	ENV1518
4		Screw	EBA1028	49		Reel Unit	EXA1625
5		Screw	CBA1037	50		Head Base Unit	EXA1611
6		Spring	EBH1653	51		Lever Unit	EXA1587
7		Spring	EBH1642	52		Gear Unit	EXA1596
8		Spring	EBH1641	53		Motor Unit(M2)	EXA1623
9		Spring	EBH1626	54		Washer	HBF-179
10		Spring	EBH1627	55		Spring	EBH1537
11		Spring	EBH1648	56		Worm Gear	ENV1564
12		Cord	EDD1024	57		Spring	EBH1655
13		Photo-reflector(Q101)	EGN1004	58		Lever	ENC1548
14		Arm	ENC1526	59		Washer	YE15FUC
15		Lever Unit	EXA1610	60		Tube	ENM1039
16		Lever	ENC1543	61		Spring	EBH1645
17		Arm	ENC1532	62		Spring	EBH1545
18		Frame	ENC1533	63		Sensor Unit	EWM1041
19		Holder	ENC1547
20		Gear	ENC1535
21		Arm	ENC1550
22		Roller	ENR1040
23		Belt	ENT1027
24		Collar	ENV1508
25		Arm	ENV1539
26		Arm	ENV1540
27		Gear	ENV1569
28		Gear	ENV1547
29		Gear	ENR1044
30		Worm Wheel	ENV1559
31		Lever	ENV1551
32		Flywheel	ENV1554
33		Gathering PCB	ENX1073
34		Switch(S101,S102,S103)	ESG1007
35		Deck Unit	EWM1043
36		Plug(CN251)	CKS3540
37		Gathering PCB	ENX1076
38		Motor Unit(M1)	EXA1618
39		Motor	EXM1035
40		Head Assy(HD1)	EXA1594
41		Arm	ENC1537
42		Screw	JGZ20P025FNI
43		Bracket	ENC1559
44		Chassis Unit	EXA1636
45		Pinch Holder Unit	EXA1608

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

A MOTHER UNIT

FM/AM TUNER UNIT

FM/AM 1ST IF 10.7MHz

MPXREF 41kHz

MAIN

AMANT

AMRF

T51 Q51 CF51

CF52 CF53

28

ATT

AMDET

L ch

ANT

IC 2 FM MPX

6

ANT ADJ

IC1

COMP

21

MIXER, IF AMP, DET.

SUB

27

FMANT

ATT

ANT

26

RFGND

FMRF

CF202

B

IMG ADJ

AM 2ND IF

X901

IC 3

450kHz

10.25MHz

EEPROM

RF ADJ

AMPNS

VCC

VDD

DI/DO

DGND

CE2

CK CE1

SL

FMSD

STIND AMDET

LOCL

25

17

22 10

14

11 12 15 16

13

2

1

9

VCC

SWVDD

Q502

AM PNS

HPF and LPF

16

IC 561

9

Q561

FM DIVER

HA12181FP

Q501

3

6

IC 501

2

5

LA1061M

13

SWVDD

Q504

FM/AM SW

RESET IC

FMB

Q563

FMPW

VDD

2

IC782

1

Q564

AMB

AMPW

S-80735ANDZI

C

D DECK UNIT

Q565

SWVDD

CN252

CN251

CN631

Q422

SWVDD

VDD

FWD

1

EQ AMP

TAPE+B

4 TAPE+B

AUDIO+B

4

L-ch

5

37

IC251

7

CSL

5

36

3

3

REV

CXA2559Q

39

Lch

L-ch

4

18

M2

2

CN254MECHANISMDRIVER

19

B.U 20

20 BU

BU

SUB

M

5

18

17

stby 19

19 stby

1

MOTOR

IC351

2

1

PA2020A

M1

MTL

mtl

CN255

8

8

MAIN

M

8

7

10

LOAD

CN253

LOAD 11

11

MOTOR

3

1

5

6

CN473

AVC-LAN DEF AMP

5

D

3

L+

IC 331

7

CN256

3

1

5

4

6

2

L–

6

NJM4558MD

1

MUTE

EGN1

11 ACC+B

ACC

BUS DRIVER

AVC-LAN 12 BU+B

BU

6

1

REEL

9

TX+

IC 781

SENSE

5

2

S2

S3

S1

10 TX–

LAN MUTE

HA12187FP

CN472

MODE 70 s

LOAD

Q701

8

2

TX1+

E

REEL SENSE PCB

1

TX1–

4

SW1

3

SW2

PICKUP UNIT

LASER

CN101

CN701

CN601

DIODE

LD-

15

9

LDO

RFRPIN 24

38

RFI

LO 85 L-OUT 14

14 L

MD

5

Q101 8

MDI

IC 101

FEO 16

43

FEI

AC,BD

14

46

TEI

HOLOGRAM

TA2153FN

TEO

78

E

UNIT

F,E

IC 201

FOCUS ACT.

FO+

1

FOP

RF-AMP

TC9495FP

79

TRACKING ACT.

TO+

4

TOP

IC 401

SERVO

LD+

14

CONTROL,

MONITOR

VDD

BA5996FM

12

TD/FD

DSP,

DIODE

FOP

LPF, DAC

14

TOP

ACT

SD/MD

SPINDLE

M

/MOTOR

DRIVER

MOTOR

16

SOP

LOEJ

22

LOEJ 10

10

LOEJ

LOADING

15

SOM

MUTE 9

CONT 11

CONT

17

LCOP

11

/CARRIAGE M

18

LCOM

MOTOR

DSCSNS 17

17

DISCSENS

HOME 16

16

HOME

S901

HOME

12EJ

DISC

VD

VD

2

2

CDVD9V

5V REGULATOR

F

SENSE

SENSE

CLAMP

8EJ

4

IC 701

2

SENSE

SENSE

VDD

BA05SFP

C CONTROL UNIT

1

CD5VON

1

1

CD5VON

14

FH-M8527ZT/ES

1

2

3

4

5

6

7

8

A

DSP and E. VOL

POWER IC

81

LIN-1

AOUT1 5

12

5

CN471

FL

FL+

FL+ 3

84

LIN-4

AOUT3 14

FL–

3

FL– 12

85

IC 351

15

RL

IC 801

RL+

17

RL+ 5

83

LIN-5

PM2010A

TDA7386

RL–

19

RL– 10

LIN-3

82

LIN-2

IFDO

STBY

MUTE

SVR

SVR_DISCHARGE

BU

+B

1

Q307

70

4

22

10

Q807

ACC 2

SYSPW

VCC

ACC

MUTE

Q808

Q801

SYSPW

B

X701

BU MUTE

10MHz

Q805

Q803

Q802

15

13

36

79

VCC

WF AMP+B

XIN

XOUT

DSPDI

SYSMUTE

26

ST

SYSPOW 41

BU

Q451

AMP+ 15

Q804

97

SL

SYSPW

23

PCE1

SYSPW

2

pck

ILL SENSE

28

PCE2

Q452

100

Q403

1

PDI

18

ILL+ 16

PDO

isen

27

LOCL

TEL MUTE

25

Q806

SD

TELMUTE 42

T-MUTE

8

ANT+B

12

reset

FMPW 39

Q453

Q454

ANT 14

AMPW 40

SYSTEM CONTROLLER

C

ACC SENSE

IC 701

Q402

FMB

Q455

asen 20

ACC

PD5737A

AMB

73 swvdd

BU SENSE

ILL–

9

Q401

bsen

19

BU

ILL+B

Q404

BU

ILL DIMMER

AUDIO 8.4V REGULATOR

CONTROL

Q441

85

stby

Q409

Q410

AUD8V

BU

ACC

7768

mtl

Q407

SYSPW

CSLOAD

Q442

SWVDD FOR DSP

VDD 5V REGULATOR

D

Q351

Q421

IC421

DSPVDD

AUDIO+B VDD

BU

S-81256SGUP-DIM

30

TX

29

RX1

22

IPPW

55

LANMUTE

91

STSW1

95

STSW2

B KEYBOARD UNIT

ILL LAMP x 14

CN681

CN901

Q905

ILL LED x 2

ILL1

9

9

ILLB

ILL2

10

10

ILL3

11

11

LCDBL DRIVE

ILL4

12

12

Q907

Q445

ILL5

13

13

BL LAMP x 2

E

ENC1M/(TAPESEL)

LCDBL

14 LCDBL

92

ENC1P/(CDSEL)

14

VDSENS

HOME

VDCONT

CD5VON

cdej

csej

ENC2M

ENC2P

BL

43

LCDBL

15

15

Q908

LOEJ

CONT

DISCSENS

POWER

LCD DRIVER

Q446

1

LDO/LDI/LCE/LCK

P1

LCDV/LOFF

53

50

90

49

45 51

74

75

58

57

56 54

63

SWVDD

SWVDD 16

16 SW 5V

89 VDD

LCD

IC901

CAW1700

POWER-VOL

LC75804W

POWER

18

18

PWR

ENC1P/(CD SEL)

ENC1P

ENC1M/(TAPE SEL)

19

19

ENC1M

20

20

CD 8.3V

AUDIO CONTROL

REGULATOR

ENC2P

21

21

ENC2P

Q431

ENC2M

22

22

ENC2M

BU

KEY

CSEJ 23

23 EJ

MATRIX

F

S901

Q432

CDEJ 17

17 CDEJ

CSEJ

S913

CDEJ

FH-M8527ZT/ES

15

5

6

7

8

1

2

3

4

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A

A-a

FM/AM TUNER UNIT

		Large size	AM:-12.7dBs(DET out=-12.7± 2dBs)
			FM:	(400Hz,30%mod -30dBs)
A-a	A-b	SCH diagram
				AM:-27.0dBs
				FM:-28.0dBs
				CD:	0dBs
				LAN:	0dBs
				TAPE:-11.1dBs
A-a	A-b	Guide page

B

A-a	A-b Detailed page

C

AM: -9.2 FM:-12.0 CD: +1 LAN: +1 TAPE: -5.1

D

B

CN901

E

F

CD:+4.2dBs	TAPE:-7.3dBs
(1kHz 0dB 1180± 100mVrms)	-8.2dBs(ACT-150,200nWb/m)
	-7.3dBs(TCC-140,250nWb/m)

C CN701

16	A	FH-M8527ZT/ES

1

2

3

4

5		6		7		8

A-b			A
			MAIN UNIT
		A

AM:+16.8dBs

FM:+14.0dBs

CD: +27dBs

LAN: +27dBs

TAPE:+20.9dBs

B

600 H
2dBs	C
0dBs
1dBs
1dBs
1dBs
LAN:+8.23dBs
(1kHz 0dB	>
± 1Vrms(+8.23dB)

D

NOTE :

Symbol indicates a resistor.

No differentiation is made between chip resistors and discrete resistors.

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and discrete capacitors.

The > mark found on some component parts indicates D CN251 the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of identical designation.

E

Decimal points for resistor and capacitor fixed values are expressed as :

2.2	←	2R2
0.022		←R022

F

			A	17
	FH-M8527ZT/ES

5

6

7

8

1

2

3

4

A

B

C

A-b	1	2				3	4
		-9.2dBs	12.0dBs	+1dBs	+1dBs	-5.1dBs
		AM:	FM:-	CD:	LAN:	TAPE:

TAPE:-11.1dBs

LAN: 0dBs

CD: 0dBs

FM:-28.0dBs

AM:-27.0dBs

A-a A-b

D

E

FM/AM TUNER UNIT

AM:-12.7dBs(DET out=-12.7± 2dBs) FM: (400Hz,30%mod -30dBs)

F

A-a

18	FH-M8527ZT/ES

1

2

3

4

5

6

7

5

6

7

CN901

B

FH-M8527ZT/ES

5

6

7

CN251		8
		A-b
D			A
TAPE:-7.3dBs -8.2dBs(ACT-150,200nWb/m) -7.3dBs(TCC-140,250nWb/m)
			B

C

CD:+4.2dBs (1kHz 0dB 1180± 100mVrms)	CN701
			A-b
			-a
	C		A

D

E

F

A-a

19

8

1

2

3

4

A

B

C

A-a A-b

D

E

A MAIN UNIT

	>
AM:+16.8dBs FM:+14.0dBs CD: +27dBs LAN: +27dBs TAPE:+20.9dBs	LAN:+8.23dBs (1kHz	1Vrms(+8.23dB)
	0dB
		±
	600 H

F

A-b	1	2	3	4
20		FH-M8527ZT/ES

1

2

3

4

5

5

6

	6
M8527ZT/ES-FH	7

7

			CN251
8			A
21			b-

NOTE :

Symbol indicates a resistor.

No differentiation is made between chip resistors and discrete resistors.

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and discrete capacitors.

The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

A-a A-b

5

6

7

Decimal points for resistor and capacitor fixed values are expressed as :

2.2	←	2R2
0.022		←	R022

8

F

E

D

C

B

A

1

2

3

4

3.3 KEYBOARD UNIT

A

B

C

D

E

F

B

22

TAPE EJECT(LH)	DIRECTION(LH
DIRECTION(RH)	TAPE EJECT(R

LH FH-M8527ZT/ES

RH FH-M8627ZT/ES

LH FH-M8527ZT/CS

		REW(LH)
		SEEK TRACK	FF(
		DOWN(RH)	SEEK
			UP(
MUTE(LH)
CD EJECT(RH)	SEEK TRACK
	UP(LH)
	FF(RH)
		AM(LH)	FM(LH)
		DISC(RH)	TAPE(RH)
	SEEK TRACK
	DOWN(LH)
	REW(RH)
CD EJECT(LH)		TAPE(LH)	DISC(LH)
MUTE(RH)		FM(RH)	AM(RH)
1	2	3	4
5	6	SCAN	TEXT

5.4V

FH-M8527ZT/ES

1

2

3

4

5		6		7		8

A

DIRECTION(LH) TAPE EJECT(RH)

B KEYBOARD UNIT

B

FF(LH)

SEEK TRACK

UP(RH)

	5	1
	PWR•VOL(LH)
	AUDIO•TUNE(RH)
FM(LH)		2
TAPE(RH)	4	3
DISC(LH)
AM(RH)	5	1
4	AUDIO•TUNE(LH)
	PWR•VOL(RH)	2
	4	3
TEXT

C

A

CN681

D

E

F

B

FH-M8527ZT/ES	23

5

6

7

8

1

2

3

4

	3.4 CD MECHANISM MODULE
A	C CONTROL UNIT
	PICKUP UNIT
	(SERVICE)(P9)	RF AMP
	CN101
B		91K
		91K

C

D

ACT/MOTOR DRIVER

	SPINDLE
	M1 CXB6007
E	LOADING/CARRIAGE
	M2 CXB8284

F

5V REGULATOR

C

24	FH-M8527ZT/ES

1

2

3

4

5		6		7		8

A

SERVO CONTROL/DSP/DAC/LPF

B

TC9495FP

C

16.934MHz

D

SWITCHES:

CONTROL UNIT

S901 : HOME SWITCH.....ON-OFF

S902 : CLAMP SWITCH....ON-OFF

S903 : DSCSNS SWITCH....ON-OFF

S904 : 12EJ SWITCH....ON-OFF

S905 : 8EJ SWITCH....ON-OFF

The underlined indicates the switch position.

E

CN701

A

CN601

F

C

FH-M8527ZT/ES	25

5

6

7

8

1

2

3

4

Note:1. The encircled numbers denote measuring pointes in the circuit diagram.

2.Reference voltage VREF:2.1V

- Waveforms

A

1 CH1:DSCSNS

5V/div.

1 CH1:DSCSNS

5V/div.

5 CH1:FD

500mV/div.

2 CH2:CLCONT

5V/div.

500ms/div.

2 CH2:CLCONT

5V/div.

500ms/div.

6 CH2:FOK

5V/div.

500ms/div.

3 CH3:LOEJ

5V/div.

3 CH3:LOEJ

5V/div.

7 CH3:MD

5V/div.

4 CH4:VD

10V/div.

4 CH4:VD

10V/div.

When setting up "Source On"

When loading (12 cm CD)

When loading (8 cm CD)

Ref. :

Ref. :

Ref. :

GND

GND

VREF

Mode :

Mode :

Mode :

B

Normal

Normal

Normal

5 CH1:FD

500mV/div.

8 CH1:FE

500mV/div.

500ms/div.

0 CH1:TE

500mV/div.

200ms/div.

6 CH2:FOK

5V/div.

100ms/div.

9 CH2:FOON

5V/div.

8 CH2:FE

500mV/div.

7 CH3:MD

5V/div.

When setting up "Source On"

When setting up "Source On"

Magnified drawing for "time"

C

Ref. :

Ref. :

Ref. :

VREF

VREF

VREF

Mode :

Mode :

Mode :

Normal

Normal

Normal

8 CH1:FE

500mV/div.

@ CH1:BCK

2V/div.

1µs/div.

# CH1:LRCK

2V/div.

10µs/div.

5 CH2:FD

500mV/div.

$ CH2:DOUT

2V/div.

1ms/div.

0 CH3:TE

500mV/div.

During "Play"

! CH4:TD

500mV/div.

During "Play"

D

During "Play"

Ref. :

Ref. :

Ref. :

VREF

VREF

VREF

Mode :

Mode :

Mode :

Normal

Normal

Normal

E

7 CH1:MD

500mV/div.

10µs/div.

% CH1:RFO

500mV/div.

0.5µs/div.

% CH1:RFO

500mV/div.

2ms/div.

0 CH2:TE

500mV/div.

During "Play"

During "Play"

During "Tracking Open"

Ref. :

Ref. :

Ref. :

VREF

VREF

VREF

Mode :

Mode :

Mode :

Normal

Normal

Test

F

26

FH-M8527ZT/ES

1

2

3

4